CHM1032 Plicker Questions for Exam Review
Use these Plicker Questions from class to study for any upcoming exams - including the Final Exam
1. Which of the following quantities has the greatest mass?
(Atomic weights: C = 12.01, B = 10.8, Li = 6.94, Mg = 24.3)
A 1.5 moles of magnesium (Mg)
B 2.4 moles of carbon (C)
C 2.4 moles of boron (B)
D 4.2 moles of lithium (Li)
2. What is the mass number (A) for a neutral atom with 18 neutrons and 14 electrons?
A 29
B 30
C 31
D 32
3. How many carbon atoms are in 3.0 moles of carbon?
A 3.01 x 10^23
B 6.02 x 10^23
C 1.51 x 10^24
D 1.80 x 10^24
4. What is the mass in grams of 3.0 X 10^23 molecules of nitrogen (N2)?
A 14
B 4.2
C 3.8
D 2.1
5. Which is the following is the element with 21 n, 20 p+, and 20 e- ?
A Neon (Ne)
B Sodium (Na)
C Calcium (Ca)
D Chlorine (Cl)
6. What is the mass number (A) for a neutral atom with 20 neutrons and 19 electrons?
A 19
B 20
C 39
D 40
7. How many electrons are in the ion of sulfur if the ion has a 2- charge?
A 12
B 14
C 16
D 18
8. Which of the following is the proper nuclide symbol for an atom with 35 protons, 45 neutrons, and 36 electrons?
A Br-35
B Br-80
C Br-81
D Kr-36
9. How many carbon atoms are in 2.5 moles of carbon?
A 3.01 x 10^23
B 6.02 x 10^23
C 1.51 x 10^24
D 1.80 x 10^24
10. What is the mass in grams of 2.0 moles of nitrogen gas (N2)?
A 56 g
B 40 g
C 28 g
D 14 g
11. How many moles are in 36 g of water (H2O)?
A 1.0 moles
B 1.5 moles
C 1.8 moles
D 2.0 moles
12. What are the charges of calcium and nitrogen in the compound calcium nitride?
A Ca +1 and N -3
B Ca +2 and N -3
C Ca +2 and N -2
D Ca + 3 and N -2
1. Which of the following quantities has the greatest mass?
(Atomic weights: C = 12.01, B = 10.8, Li = 6.94, Mg = 24.3)
A 1.5 moles of magnesium (Mg)
B 2.4 moles of carbon (C)
C 2.4 moles of boron (B)
D 4.2 moles of lithium (Li)
2. What is the mass number (A) for a neutral atom with 18 neutrons and 14 electrons?
A 29
B 30
C 31
D 32
3. How many carbon atoms are in 3.0 moles of carbon?
A 3.01 x 10^23
B 6.02 x 10^23
C 1.51 x 10^24
D 1.80 x 10^24
4. What is the mass in grams of 3.0 X 10^23 molecules of nitrogen (N2)?
A 14
B 4.2
C 3.8
D 2.1
5. Which is the following is the element with 21 n, 20 p+, and 20 e- ?
A Neon (Ne)
B Sodium (Na)
C Calcium (Ca)
D Chlorine (Cl)
6. What is the mass number (A) for a neutral atom with 20 neutrons and 19 electrons?
A 19
B 20
C 39
D 40
7. How many electrons are in the ion of sulfur if the ion has a 2- charge?
A 12
B 14
C 16
D 18
8. Which of the following is the proper nuclide symbol for an atom with 35 protons, 45 neutrons, and 36 electrons?
A Br-35
B Br-80
C Br-81
D Kr-36
9. How many carbon atoms are in 2.5 moles of carbon?
A 3.01 x 10^23
B 6.02 x 10^23
C 1.51 x 10^24
D 1.80 x 10^24
10. What is the mass in grams of 2.0 moles of nitrogen gas (N2)?
A 56 g
B 40 g
C 28 g
D 14 g
11. How many moles are in 36 g of water (H2O)?
A 1.0 moles
B 1.5 moles
C 1.8 moles
D 2.0 moles
12. What are the charges of calcium and nitrogen in the compound calcium nitride?
A Ca +1 and N -3
B Ca +2 and N -3
C Ca +2 and N -2
D Ca + 3 and N -2
CHM1032 Plicker Questions for Exam Review - Answers
1. Which of the following quantities has the greatest mass?
(Atomic weights: C = 12.01, B = 10.8, Li = 6.94, Mg = 24.3)
A 1.5 moles of magnesium (Mg)
2. What is the mass number (A) for a neutral atom with 18 neutrons and 14 electrons?
D 32
3. How many carbon atoms are in 3.0 moles of carbon?
D 1.80 x 10^24
4. What is the mass in grams of 3.0 X 10^23 molecules of nitrogen (N2)?
A 14
5. Which is the following is the element with 21 n, 20 p+, and 20 e- ?
C Calcium (Ca)
6. What is the mass number (A) for a neutral atom with 20 neutrons and 19 electrons?
C 39
7. How many electrons are in the ion of sulfur if the ion has a 2- charge?
D 18
8. Which of the following is the proper nuclide symbol for an atom with 35 protons, 45 neutrons, and 36 electrons?
B Br-80
9. How many carbon atoms are in 2.5 moles of carbon?
C 1.51 x 10^24
10. What is the mass in grams of 2.0 moles of nitrogen gas (N2)?
A 56 g
11. How many moles are in 36 g of water (H2O)?
D 2.0 moles
12. What are the charges of calcium and nitrogen in the compound calcium nitride?
B Ca +2 and N -3
(Atomic weights: C = 12.01, B = 10.8, Li = 6.94, Mg = 24.3)
A 1.5 moles of magnesium (Mg)
2. What is the mass number (A) for a neutral atom with 18 neutrons and 14 electrons?
D 32
3. How many carbon atoms are in 3.0 moles of carbon?
D 1.80 x 10^24
4. What is the mass in grams of 3.0 X 10^23 molecules of nitrogen (N2)?
A 14
5. Which is the following is the element with 21 n, 20 p+, and 20 e- ?
C Calcium (Ca)
6. What is the mass number (A) for a neutral atom with 20 neutrons and 19 electrons?
C 39
7. How many electrons are in the ion of sulfur if the ion has a 2- charge?
D 18
8. Which of the following is the proper nuclide symbol for an atom with 35 protons, 45 neutrons, and 36 electrons?
B Br-80
9. How many carbon atoms are in 2.5 moles of carbon?
C 1.51 x 10^24
10. What is the mass in grams of 2.0 moles of nitrogen gas (N2)?
A 56 g
11. How many moles are in 36 g of water (H2O)?
D 2.0 moles
12. What are the charges of calcium and nitrogen in the compound calcium nitride?
B Ca +2 and N -3